Everyday Mathematics (IMO- Mathematics Olympiad Class 9): Questions 59 - 63 of 99

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Question number: 59

» Everyday Mathematics

MCQ▾

Question

The difference between a discount of Equation on Rs. 500 and two successive discounts of Equation on the same amount is ________

Choices

Choice (4) Response

a.

0

b.

Rs. 2

c.

Rs. 1.93

d.

Rs. 7.20

Question number: 60

» Everyday Mathematics

MCQ▾

Question

Bhajan Singh purchased 120 reams of papers at Rs. 80 per ream. He spent Rs. 280 on transportation, paid octroi at the rate of 40 paise per ream and paid Rs. 72 to the coolie. If he wants to have a gain of Equation , what must be the selling price per ream?

Choices

Choice (4) Response

a.

Rs. 90

b.

Rs. 87.48

c.

Rs. 86

d.

Rs. 89

Question number: 61

» Everyday Mathematics

MCQ▾

Question

A student was asked to divide a number by 6 and add 12 to the quotient. He, however, first added 12 to the number and then divided it by 6, getting 112 as the answer. The correct answer should have been________

Choices

Choice (4) Response

a.

122

b.

124

c.

114

d.

118

Question number: 62

» Everyday Mathematics

MCQ▾

Question

If 2 is added to the denominator of a fraction, the fraction becomes 5. If 3 is added to the numerator, the fraction becomes 25, the fraction is ________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 63

» Everyday Mathematics

MCQ▾

Question

One quality of wheat at Rs. 15 per kg is mixed with another quality at a certain rate in the ratio Equation . If the mixture so formed be worth Rs. 30 per kg, what is the rate per kg of the second quality of wheat?

Choices

Choice (4) Response

a.

Rs. 41

b.

Rs. 40

c.

Rs. 42

d.

Rs. 39

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